S
M
T
W
T
F
S
29
46°
31°
30
49°
33°
31
54°
35°
1
39°
33°
2
43°
34°
3
63°
36°
4
44°
35°
5
40°
35°
6
41°
34°
7
35°
25°
8
43°
28°
9
48°
35°
10
46°
35°
11
37°
34°
12
54°
35°
13
51°
41°
14
52°
37°
15
57°
42°
16
53°
39°
17
50°
37°
18
66°
37°
19
48°
27°
20
42°
30°
21
62°
41°
22
63°
35°
23
69°
48°
24
75°
50°
25
58°
40°
26
59°
38°
27
55°
41°
28
52°
40°
29
55°
41°
30
53°
40°
1
57°
43°
2
54°
36°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Port Glasgow
Port Glasgow's April 2026 forecast shows daily high temperatures ranging from 42° to 75°, with overnight lows between 27° and 50°. The average high for April is 58° with an average low of 39°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how April weather will actually feel in Port Glasgow. See also: May | June | July.
